package lab01;

import java.util.Scanner;

/**
 * Created by 123 on 2017/9/29.
 */
public class Text07 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String rank = sc.nextLine();
        if (rank.equals("A")) {
            System.out.println("85以上");
        }else  if (rank.equals("B")){
            System.out.println("70分到85分包括70分");
        }else  if (rank.equals("C")) {
            System.out.println("60分到70分包括60分");
        }else  if (rank.equals("D")) {
            System.out.println("60分以下");
        }
    }
}
